<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>4.原型上的方法</title>
	</head>
	<body>
		<script type="text/javascript" >
			let arr = [1,3,5,7]
			let str = 'abc'

			// console.log(arr.filter)
			// console.log(str.filter)
			console.log(Array.prototype)
			console.log(String.prototype)

		</script>
	</body>
</html>